<!DOCTYPE html>
<html lang="en">
<head>
   <meta charset="UTF-8">
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
   <title></title>
   <script src="../js/vue.js"></script>
   <style>
    .block{
        display: inline-block;
        border: 1px solid;
    }
   </style>
</head>
<body>
   <div id="app">
   <div class="block">不阻止默认行为</div>
   <div class="block" v-on:contextmenu.prevent="rightClick">阻止默认行为</div>
 
   </div>
</body>
  <script>
      var vm = new Vue({
          el:"#app",
          data:{
           
          },
          methods:{
           rightClick:function(){
            alert("do something");
           }
            
          }
        })
  </script>
</html>